package main

import "fmt"

func test07() {
	arr:=[]int{5,6,8,9,12,56,55}
	for index,num := range arr{
		fmt.Println(index,num)
	}
	keys:=map[string]string{"k1":"v1","k2":"v2"}
	for k,v := range keys{
		fmt.Println(k,v)
	}
}
